I think "hardware that refuses to run Linux" is pretty on-topic. The threat of the locked-out BIOS* is still with us. Hugh and Scott's continuing issues with Intel Atom compatibility on Linux are troubling. Any barrier to Linux "just working" makes what we do more niche. 

 Stewart

*: which, as Hugh pointed out, doesn't really exist any more. A BIOS needs a BDOS (Basic Disk Operating System), as any CP/M user would once have known